Which of the following is an example of A.S.A. criterion of congruency for two triangles ∠ACB and ∠DEF? a)AB = EF, ∠B = ∠E and ∠C = ∠F b)BC = EF, ∠B = ∠F and ∠C = ∠E c)AC = EF, ∠B = ∠D and ∠C = ∠F d)AC = DE, ∠B = ∠D and ∠C = ∠F